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Installation
Rev 3.01
10
Document 900.0258
10/05
Connecting Alarms
Figure 2-7
Alarm Input Connector Strips
To make connections on the Alarm Connector Strip:
1.
Press and hold the button.
2.
Insert the wire in the hole below the button.
3.
After releasing the button, tug gently on the wire to make certain it is connected.
4.
To disconnect a wire, press and hold the button above the wire and pull out the
wire.
AI 1 to 16 (Alarm In)
You can use external devices to signal the DVR to react to events. Mechanical or
electrical switches can be wired to the AI (Alarm In) and GND (Ground) connectors. The
threshold voltage is 4.3V and should be stable at least 0.5 seconds to be detected. See
Chapter 3, Configuration
for configuring alarm input.
GND (Ground)
Note
All the connectors marked GND are common.
Connect the ground side of the Alarm input and/or Alarm output to the GND connector.
Содержание HRHD16+
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